201099798743 has 2 divisors, whose sum is σ = 201099798744. Its totient is φ = 201099798742.

The previous prime is 201099798733. The next prime is 201099798749. The reversal of 201099798743 is 347897990102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201099798743 is a prime.

It is a super-2 number, since 2×201099798743² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201099798749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100549899371 + 100549899372.

It is an arithmetic number, because the mean of its divisors is an integer number (100549899372).

Almost surely, 2^201099798743 is an apocalyptic number.

201099798743 is a deficient number, since it is larger than the sum of its proper divisors (1).

201099798743 is an equidigital number, since it uses as much as digits as its factorization.

201099798743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 201099798743 in words is "two hundred one billion, ninety-nine million, seven hundred ninety-eight thousand, seven hundred forty-three".